T77 Car MP3 Player User Manual

Product Overview

The T77 is a versatile Car MP3 Player and FM Transmitter designed to enhance your car's audio system. It supports Bluetooth connectivity, USB/microSD card playback, fast charging via PD and QC3.0 ports, and offers various lighting modes.

Device dimensions: 63*90mm.

Diagram Description: An illustration shows the T77 Car MP3 Player, a compact device designed to plug into a car's cigarette lighter socket.

Important Instructions

1. SAVE THIS INSTRUCTION - This manual contains important safety and operating instructions for the product.
2. Before using the product, read all instructions and cautionary markings on Vehicle Battery Adapters.
3. For the best audio quality, please turn the volume of your phone and FM transmitter into the max level, and then adjust the car volume.
4. If the noise is too loud, please try another blank FM station.
5. The signal of any FM transmitter sometimes can be interfered by the surrounded radio or the similar frequency signal thus cause noise; this is normal.
6. To prevent your car battery from being drained, please unplug the product after you turn off the car.
7. Do not expose the product to rain, moisture, or snow.
8. Do not disassemble the product; incorrect reassembly may result in a risk of electric shock or fire.
9. To reduce risk of electric shock, unplug the product before attempting any maintenance. Turning off controls will not reduce this risk.

Features

1. 7 light modes: Red, Green, Blue, Yellow, Purple, Cyan, White. The light switch design of the outer circle creates a new atmosphere in the car interior space.
2. Activate phone voice control like Siri, Bixby, Google Assistant, etc.
3. Support bass boost EQ.
4. PD and QC3.0 ports for fast charge: QC3.0 18W output (5V 3A / 9V 2A / 12V 1.5A max). PD 30W output (5V 3A / 9V 3A / 12V 2.5A max).
5. Special scroll switch design, easy for operation.
6. Transmit music/navigation from your Bluetooth-enabled phone to the car stereo via FM signal.
7. Transmit music from U disk/microSD card to the car stereo via FM signal.
8. Play lossless music from U disk/microSD card.
9. Large LED display shows FM frequency, car battery voltage, Bluetooth status.
10. Built-in microphone for hands-free phone calls, keeping your hands on the wheel.
11. Bluetooth V5.0, auto-connects to the last paired device.

Operations

Diagram Description: A diagram shows the physical layout of the T77 device, labeling the Multifunction Button (MFB), Scroll switch, Microphone, LED light, microSD card port, PD charging port, and QC3.0 charging port.

Transmitting Music to Car Stereo

Bluetooth Mode:

1. Plug the transmitter into your car charger port. The Bluetooth icon on the display flashes, indicating it is in pairing mode.
2. Turn on the Bluetooth function of your phone, search for Bluetooth devices, and connect to "T77".
3. Diagram Description: A screenshot shows the phone's Bluetooth settings with "T77" listed as a connectable device.
4. Adjust the car's FM radio to a blank frequency (e.g., 88.1MHz).
5. Adjust the product to the same frequency as the car's FM radio. (Long press the "MFB" until the frequency flashes, then roll the "Scroll switch" to add/reduce frequency.)
6. Diagram Description: An illustration shows the car's FM radio display tuned to 88.1MHz and the T77 device display also showing 88.1MHz. It also depicts the action of rolling the scroll switch to adjust the frequency.
7. Open the music player or navigation app on your phone. The phone calls, music, or navigation audio will now transmit to the car stereo system.
8. Tip: For best audio quality, set the phone volume and transmitter volume to maximum, then adjust the car volume to an appropriate level.

U disk/microSD Card Mode:

1. Plug the transmitter into your car charger port.
2. Insert a U disk or microSD card into the product. It will automatically detect and play music in MP3/WMA/FLAC/WAV/APE formats.
3. Tune the car's FM radio to a blank frequency (e.g., 88.1MHz).
4. Adjust the product to the same frequency as the car's FM radio.
5. Diagram Description: Similar to the Bluetooth mode, this shows the car stereo and the T77 device synchronized to FM 88.1MHz, playing music from a U disk.

Tips:

• For the best audio quality, turn the volume of your phone and the product to the maximum level, then tune your car volume to an appropriate level.
• The signal of any FM transmitter may sometimes be interfered with by surrounding radio or similar frequency signals, causing noise; this is normal.
• If the noise is too loud, try another blank FM station.
• To prevent your car battery from being drained, unplug the product after turning off the car.

Charging

Plug your charging cable into the QC3.0 or PD port. The device will detect your connected device and output the maximum voltage and current that matches.

Diagram Description: An illustration shows the QC3.0 port labeled "18W QC3.0 output 5V 3A / 9V 2A / 12V 1.5A max." and the PD port labeled "30W PD output 5V 3A / 9V 3A / 12V 2.5A max.". A note indicates that when both ports are used simultaneously, the voltage output is limited to 5V, with a maximum power output of 20W.

Note: When QC3.0 and PD ports are used simultaneously, the voltage output can only be 5V, and power output 20W max.

Compliance Information

FCC Statement

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Correct Disposal Of This Product (Waste Electrical & Electronic Equipment)

This marking shown on the product or its literature indicates that it should not be disposed of with other household wastes at the end of its working life. To prevent possible harm to the environment or human health from uncontrolled waste disposal, please separate this from other types of wastes and recycle it responsibly to promote the sustainable reuse of material resources.

Household users should contact either the retailer where they purchased this product or their local government office for details of where and how they can take this item for environmentally safe recycling.

Business users should contact their supplier and check the terms and conditions of the purchase contract. This product should not be mixed with other commercial wastes for disposal.

RF Exposure Warning Statements

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment shall be installed and operated with a minimum distance of 20cm between the radiator and body.